# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all # include all helpers, all the time
  protect_from_forgery # See ActionController::RequestForgeryProtection for details

  # Scrub sensitive parameters from your log
  # filter_parameter_logging :password

	filter_parameter_logging :password, :password_confirmation
    helper_method :current_user_session, :current_user

    private
      def current_user_session
        return @current_user_session if defined?(@current_user_session)
        @current_user_session = UserSession.find
      end

      def current_user
        return @current_user if defined?(@current_user)
        @current_user = current_user_session && current_user_session.user
      end

			def require_user
      unless current_user
        store_location
        flash[:notice] = "You must be logged in to access this page"
        redirect_to new_user_session_url
        return false
      end
    end
 
    def require_no_user
      if current_user
        store_location
        flash[:notice] = "You must be logged out to access this page"
        redirect_to root_url
        return false
      end
    end
    
    def store_location
      session[:return_to] = request.request_uri
    end
    
    def redirect_back_or_default(default)
      redirect_to(session[:return_to] || default)
      session[:return_to] = nil
    end

end
